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README.markdown

r10k

Opinionated and semi-intelligent Git based deployment of Puppet manifests and modules.

Description

r10k is an intelligent implementation of the dynamic puppet environment workflow. It aggressively caches and tries to minimize network activity to ensure that interactive deployment is as fast as possible. It supports the librarian-puppet Puppetfile format for installing multiple independent Puppet modules.


r10k is designed to deploy branches of a Git repository as environments and can optionally deploy modules specific in a Puppetfile.

Git repository layout

r10k makes the assumption that Puppet modules are stored in subdirectories of the Git repository. These directories are all loaded into the Puppet master with the modulepath directive.

For example, your Git repository would have a structure something like this:

.
├── Puppetfile   # An optional Puppetfile
├── dist         # Internally developed generic modules
└── site         # Modules for deploying custom services

Puppetfile support

r10k implements the librarian-puppet Puppetfile format. r10k will create and manage the modules directory within your Git repository. It's recommended that you add /modules to your project .gitignore.

A deployed environment with a Puppetfile will look something like this:

.
├── Puppetfile   # An optional Puppetfile
├── dist         # Internally developed generic modules
├── modules      # Puppet modules deployed by r10k
└── site         # Modules for deploying custom services

Installing modules from git

Puppet modules can be installed from any valid git repository.

mod 'rsyslog', :git => 'git://github.com/puppetlabs-operations/puppet-rsyslog.git'

You can deploy a module from a specific branch, tag, or git ref. By default r10k will track master and will assume that you want to keep the module up to date. If you want to track a specific branch, then

Examples:

# track master
mod 'filemapper',
  :git => 'git://github.com/adrienthebo/puppet-filemapper.git'

# Install the filemapper module and track the 1.1.x branch
mod 'filemapper',
  :git => 'git://github.com/adrienthebo/puppet-filemapper.git',
  :ref => '1.1.x'

# Install filemapper and use the 1.1.1 tag
mod 'filemapper',
  :git => 'git://github.com/adrienthebo/puppet-filemapper.git',
  :ref => '1.1.1'

# Install filemapper and use a specific git commit
mod 'filemapper',
  :git => 'git://github.com/adrienthebo/puppet-filemapper.git',
  :ref => 'ec2a06d287f744e324cca4e4c8dd65c38bc996e2'

Installing modules from the Puppet forge

Puppet modules can be installed from the forge using the Puppet module tool.

# This is currently a noop but will be supported in the future.
forge 'forge.puppetlabs.com'

# Install puppetlabs-stdlib from the Forge
mod 'puppetlabs/stdlib', '2.5.1'

Configuration

r10k will look in /etc/r10k.yaml for its config file by default.

Example

# The location to use for storing cached Git repos
:cachedir: '/var/cache/r10k'

# A list of git repositories to create
:sources:
  # This will clone the git repository and instantiate an environment per
  # branch in /etc/puppet/environments
  :plops:
    remote: 'git@github.com:my-org/org-shared-modules'
    basedir: '/etc/puppet/environments'

# This directory will be purged of any directory that doesn't map to a
# git branch
:purgedirs:
  - '/etc/puppet/environments'

This basic configuration should be enough for most deployment needs.

Contributors

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